Granted Patent
Utility
US 5,257,884 · App. 07/835,983
Device for removably securing a tool to a machine spindle
Inventors:
Gerhard Stolz, Gerhard Scheer
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Feb 20, 1992
Inventors
Gerhard Stolz
Gerhard Scheer
Assignee (at issue)
Komet Praezisionswerkzeuge Robert Breuning GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.